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ishaanbaruah4474
05.06.2020 •
Biology
The air we inhale contains less than 1% carbon dioxide.
Approximately what percentage of carbon dioxide is there in the air we
exhale?
A) 1%
B) 4%
C) 16%
D 20%
Solved
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Ответ:
6. Because there are two atoms of hydrogen in a molecule